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20 Mark Carl Friedrich Gauss
| Issuer | German Democratic Republic |
| Year | 1977 |
| Type | Non-circulating coin |
| Value | 20 Mark (20 DDM) |
| Currency | Mark (1948-1990) |
| Composition | Silver (.500) |
| Weight | 20.9 g |
| Dimensions | 33.0 mm |
| Thickness | |
| Shape and Technique | Round
Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Axel Bertram |
| In circulation to | 1990 |
| Reference(s) | KM#66 |
| Obverse description | |
| Obverse script | Latin |
| Obverse lettering | · DEUTSCHE DEMOKRATISCHE REPUBLIK
·
1977 20 MARK |
| Reverse description | Schematic Gauss curve |
| Reverse script | Latin |
| Reverse lettering | CARL FRIEDRICH GAUSS
1777 - 1855 |
| Edge | Smooth with inscription |
| Mint | |
| Mintage | 1977 A - - 55 000
|
| Catalog ID | 3178912030 |
| Comments | |
